When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

Contrary to popular belief, this secluded statue doesn't represent Pennsylvania's founder.

This massive chalk hill carving is one of England's most beloved giant horse geoglyphs.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

Corn-inthian columns with a uniquely American take on neoclassical architecture.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Great Britain's only hat-making museum.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Perhaps the most scandalous statue of America's first president.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

A fantastic array of trays and cables once whisked books over to the Capitol at 600 feet per minute.

A network of hundreds of interconnected wineries in caves hides under the town center.

One of the last doorless, continuously moving elevators still in use in the U.K.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

There's a strange stone hoodoo towering atop a wooded hillside and no one is quite sure how it got there.

The romance of early commercial flight still fills this Art Deco destination.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

Peeing dogs guard the Roman hunting goddess atop a fountain at France’s Château de Fontainebleau.

This restored 17th century "conduit house," often mistaken for a watchtower, actually supplied water to nearby Bolsover Castle.